Subtract 10/35 from 3/70
3/70 - 10/35 is -17/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
3/70 = 3 × 1/70 × 1 = 3/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
10/35 = 10 × 2/35 × 2 = 20/70 - Subtract the two like fractions:
3/70 - 20/70 = 3 - 20/70 = -17/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70-10/35 3/70-20/35 3/70-10/70 9/70-10/35 3/70-30/35 15/70-10/35 3/70-50/35 21/70-10/35 3/70-70/35